@INBOOK {HAMPTON:1997, title = {Viral diseases of cowpea and their control by resistance-conferring genes}, author = {Hampton, R. O. and Thottappilly, G. and Rossel, H. W. }, year = {1997}, type = {Advances in cowpea research}, pages = {159--175}, chapter = {14}, publisher = {International Institute of Tropical Agriculture (IITA); Japan International Research Center for Agricultural Sciences (JIRCAS)}, }